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Nearby brown dwarf, illustration
Illustration of nearby brown dwarf, 2MASS J22081363+2921215. Brown dwarfs are celestial objects that are more massive than a planet but not big enough to sustain nuclear fusion like a star. Located 115 light years from Earth, 2MASS J22081363+2921215 has a mottled atmosphere with scattered clouds and mysterious dark spots. Researchers used Multi-Object Spectrograph for Infrared Exploration (MOSFIRE) at the W. M. Keck Observatory in Hawaii, USA to study the brown dwarf's colours and layer cloud-cake structure., by NASA/ESA/Leah Hustak,STScI/SCIENCE PHOTO LIBRARY
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